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/**************************************************************************************************
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*
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* aip_com.h
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*
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* Macros für Kommunikation über serielle Schnittstelle
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* Basiert auf rt_com.h von rtai !! (siehe unten)
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*
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*
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* Autor: Wilhelm Hagemeister
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*
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* (C) Copyright IgH 2002
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* Ingenieurgemeinschaft IgH
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* Heinz-Bäcker Str. 34
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* D-45356 Essen
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* Tel.: +49 201/61 99 31
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* Fax.: +49 201/61 98 36
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* E-mail: hm@igh-essen.com
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*
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*
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* $RCSfile: aip_com.h,v $
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* $Revision: 1.1 $
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* $Author: hm $
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* $Date: 2004/09/30 15:50:32 $
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* $State: Exp $
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*
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*
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*
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*
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*
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*
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*
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*
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*
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**************************************************************************************************/
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/** rt_com
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* ======
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*
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* RT-Linux kernel module for communication across serial lines.
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*
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* Copyright (C) 1997 Jens Michaelsen
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* Copyright (C) 1997-2000 Jochen Kupper
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* Copyright (C) 2002 Giuseppe Renoldi
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file License. if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307, USA.
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*
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* $Id: aip_com.h,v 1.1 2004/09/30 15:50:32 hm Exp $ */
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#ifndef AIP_COM_H
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#define AIP_COM_H
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/** This is the interface definition of the plain rt_com API.
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*
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* This should be all you need to use rt_com within your real-time
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* kernel module.
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*
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* (When POSIX is done, we will reference the appropriate header
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* here - probably depending on a flag.) */
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int init_aip_com(void); //Hm, IgH
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void cleanup_aip_com(void); //Hm, IgH
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/** specify hardware parameters, set-up communication parameters */
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extern int rt_com_hwsetup( unsigned int ttyS, int base, int irq );
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extern int rt_com_setup( unsigned int ttyS, int baud, int mode,
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unsigned int parity, unsigned int stopbits,
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unsigned int wordlength, int fifotrig );
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/** read/write from/to input/output buffer */
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extern int rt_com_read( unsigned int, char *, int );
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extern int rt_com_write( unsigned int ttyS, char *buffer, int count );
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/** clear input or output buffer */
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extern int rt_com_clear_input( unsigned int ttyS );
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extern int rt_com_clear_output( unsigned int ttyS );
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/** read input signal from modem (CTS,DSR,RI,DCD), set output signal
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* for modem control (DTR,RTS) */
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extern int rt_com_read_modem( unsigned int ttyS, int signal );
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extern int rt_com_write_modem( unsigned int ttyS, int signal, int value );
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/** functioning mode and fifo trigger setting */
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extern int rt_com_set_mode( unsigned int ttyS, int mode);
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extern int rt_com_set_fifotrig( unsigned int ttyS, int fifotrig);
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/** return last error detected */
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extern int rt_com_error( unsigned int ttyS );
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/** size of internal queues, this is constant during module lifetime */
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extern unsigned int rt_com_buffersize;
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#define rt_com_set_param rt_com_hwsetup
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#define rt_com_setup_old(a,b,c,d,e) rt_com_setup((a),(b),0,(c),(d),(e),-1)
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/** functioning modes */
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#define RT_COM_NO_HAND_SHAKE 0x00
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#define RT_COM_DSR_ON_TX 0x01
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#define RT_COM_HW_FLOW 0x02
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/** parity flags */
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#define RT_COM_PARITY_EVEN 0x18
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#define RT_COM_PARITY_NONE 0x00
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#define RT_COM_PARITY_ODD 0x08
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#define RT_COM_PARITY_HIGH 0x28
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#define RT_COM_PARITY_LOW 0x38
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/* FIFO Control */
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#define RT_COM_FIFO_DISABLE 0x00
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#define RT_COM_FIFO_SIZE_1 0x00
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#define RT_COM_FIFO_SIZE_4 0x40
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#define RT_COM_FIFO_SIZE_8 0x80
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#define RT_COM_FIFO_SIZE_14 0xC0
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/** rt_com_write_modem masks */
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#define RT_COM_DTR 0x01
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#define RT_COM_RTS 0x02
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/** rt_com_read_modem masks */
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#define RT_COM_CTS 0x10
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#define RT_COM_DSR 0x20
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#define RT_COM_RI 0x40
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#define RT_COM_DCD 0x80
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/** rt_com_error masks */
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#define RT_COM_BUFFER_FULL 0x01
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#define RT_COM_OVERRUN_ERR 0x02
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#define RT_COM_PARITY_ERR 0x04
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#define RT_COM_FRAMING_ERR 0x08
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#define RT_COM_BREAK 0x10
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#endif /* RT_COM_H */
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/**
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* Local Variables:
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* mode: C
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* c-file-style: "Stroustrup"
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* End:
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*/
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